10503990 IR HSS PRO CO SET 15PCS

Product Code IR0416
Part No. 10503990
  • Constructed of M-35 5% cobalt high speed steel for super abrasive resistance in tough metals
  • 135-degree split point reduces feed pressure for easier penetration without work hardening
  • Durable rubber-sided case for added impact resistance
  • Sliding latch design provides added security
  • Available with a variety of drill bit types and piece count configurations
  • Includes an IRWIN Pro Set Case made of durable molded ABS resin, so it can hold up to anything the jobsite throws at it. Case includes a full-length metal hinge pin for maximum durability and long life, and bit identification is simple with easy-to-read size markings.